Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 265, NWS Atlanta, GA

April 22, 1998Barrow County, Gwinnett County, Walton County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 22, 1998, 3:33 PM EDT for Barrow County, Gwinnett County, Walton County, Georgia. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 22, 1998, 3:33 PM EDT (19:33 UTC)
Expired
Apr 22, 1998, 4:20 PM EDT
In force
47 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Barrow County, GA, Gwinnett County, GA, Walton County, GA

The radar

The Atlanta radar (KFFC), 92 km from the middle of the area, began a volume at 19:33 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 7.6 hours before the alert went out and 286 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Birmingham, AL at 12:00Z on 1998-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 1998-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
900 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
14 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KATL 221933 RRA
SVRATL
GAC013-135-297-222020-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
333 PM EDT WED APR 22 1998

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN BARROW COUNTY IN NORTHEASTERN GEORGIA
  EASTERN GWINNETT COUNTY IN NORTHWESTERN GEORGIA
  NORTHERN WALTON COUNTY IN NORTHEASTERN GEORGIA

* UNTIL 420 PM EDT

* SOME LOCATIONS IN THE PATH OF THIS STORM ARE...
   BETHLEHEM                   AROUND 335 PM EDT
   NICHOLASVILLE               AROUND 335 PM EDT
   STATHAM                     AROUND 350 PM EDT
   MONROE                      AROUND 350 PM EDT
   MOUNT VERNON                AROUND 400 PM EDT

* AT 331 PM EDT...  2 MILES NORTH OF BOLD SPRINGS... A SEVERE
  THUNDERSTORM WAS INDICATED BY DOPPLER RADAR... MOVING SOUTHEAST
  15 MPH.

DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE
AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. BOATERS...GOLFERS...
AND OTHERS INVOLVED IN OUTSIDE ACTIVITIES SHOULD SEEK SHELTER
IMMEDIATELY. IF YOU EXPERIENCE STORM DAMAGE TO STRUCTURES OR
TREES...OR HAI~L THE SIZE OF DIMES OR LARGER...PLEASE REPORT IT TO
THE NATIONAL WEATHER SERVICE BY CALLING 770-486-8535.

WRS/KDF

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Apr 22, 9:58 AM EDT, 5 hours 35 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-222100-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
958 AM EDT WED APR 22 1998

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS NORTH AND
CENTRAL GEORGIA THIS AFTERNOON AND EVENING.

A LARGE AREA OF LOW PRESSURE IN THE UPPER ATMOSPHERE WILL CONTINUE TO
DESTABILIZE THE ATMOSPHERE PRODUCING SCATTERED THUNDERSTORMS OVER
NORTH AND CENTRAL GEORGIA. SOME OF THESE THUNDERSTORMS COULD BE
SEVERE WITH THE MAIN THREAT BEING LARGE DAMAGING HAIL.

SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD MONITOR THE
LOCAL WEATHER CONDITIONS AND BE READY FOR POSSIBLE ACTIVATION THIS
AFTERNOON AND TONIGHT.

17
Special weather statement, Apr 22, 9:58 AM EDT, 5 hours 35 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-222100-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
958 AM EDT WED APR 22 1998

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS NORTH AND
CENTRAL GEORGIA THIS AFTERNOON AND EVENING.

A LARGE AREA OF LOW PRESSURE IN THE UPPER ATMOSPHERE WILL CONTINUE TO
DESTABILIZE THE ATMOSPHERE PRODUCING SCATTERED THUNDERSTORMS OVER
NORTH AND CENTRAL GEORGIA. SOME OF THESE THUNDERSTORMS COULD BE
SEVERE WITH THE MAIN THREAT BEING LARGE DAMAGING HAIL.

SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD MONITOR THE
LOCAL WEATHER CONDITIONS AND BE READY FOR POSSIBLE ACTIVATION THIS
AFTERNOON AND TONIGHT.

17

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 21, 8:08 PM EDTSevere Thunderstorm WarningFFCBaldwin32 min
Apr 21, 8:35 PM EDTSevere Thunderstorm WarningFFCHancock35 min
Apr 21, 8:44 PM EDTSevere Thunderstorm WarningFFCWashington66 min
Apr 21, 8:52 PM EDTSevere Thunderstorm WarningFFCMontgomery, Telfair, Wheeler63 min
Apr 21, 9:04 PM EDTSevere Thunderstorm WarningFFCGlascock, Jefferson66 min
Apr 21, 9:14 PM EDTSevere Thunderstorm WarningFFCEmanuel, Johnson, Treutlen66 min
Apr 22, 3:22 PM EDTSevere Thunderstorm WarningFFCPutnam33 min
Apr 22, 4:47 PM EDTSevere Thunderstorm WarningFFCBarrow33 min
Apr 22, 5:03 PM EDTSevere Thunderstorm WarningFFCJasper, Putnam32 min
Apr 22, 5:08 PM EDTSevere Thunderstorm WarningFFCGlascock, Warren32 min
Apr 22, 5:20 PM EDTSevere Thunderstorm WarningFFCClarke, Oconee, Walton35 min
Apr 22, 5:23 PM EDTSevere Thunderstorm WarningFFCJefferson47 min
Apr 22, 5:29 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee36 min
Apr 22, 5:38 PM EDTSevere Thunderstorm WarningFFCPutnam37 min
Apr 22, 5:50 PM EDTSevere Thunderstorm WarningFFCButts, Jasper35 min
Apr 22, 6:32 PM EDTSevere Thunderstorm WarningFFCJasper33 min
Apr 22, 7:02 PM EDTSevere Thunderstorm WarningFFCJasper, Jones, Putnam48 min
Apr 22, 7:34 PM EDTSevere Thunderstorm WarningFFCBaldwin36 min
Apr 22, 7:49 PM EDTSevere Thunderstorm WarningFFCJones36 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1998Every severe thunderstorm warning in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.